The Effect of Carbamide-Peroxide Gel on the Shear Bond Strength of a Microfil Resin to Bovine Enamel

Titley, K.C.; Torneck, Calvin D.; Ruse, N. Dorin

doi:10.1177/00220345920710010301

Cited by 143 publications

(163 citation statements)

References 7 publications

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“…3 In addition, hydrogen and carbamide peroxide, which are commonly used bleaching agents, affect the bonding of enamel and dentin tissue when restorations are applied directly after bleaching treatment. [4][5][6][7][8][9][10][11] Delays of one day, 4,12 three-to-seven days 5,13 and three weeks 11,14 following the bleaching procedure are recommended to enable the enamel to return to normal conditions, activating normal bond strengths and allowing the reestablishment of esthetics.…”

Section: Introductionmentioning

confidence: 99%

Reversal of Compromised Bonding in Bleached Enamel Using Antioxidant Gel

Kaya¹,

Türkün²,

Arici³

2008

Operative Dentistry

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Dental bond strength is significantly reduced when bonding is performed immediately after bleaching treatments. It has also been reported that the application of an antioxidant after bleaching treatment improves the adhesive bond strength of oxidized enamel tissue. The application of an antioxidant in gel form by the patient makes the application process easier and shortens time spent in the clinic. SUMMARYMany studies have shown a considerable reduction in the enamel bond strength of resin composite restorations when the bonding procedure is carried out immediately after bleaching. These studies claim that a certain waiting period is needed prior to performing the restoration in order to attain the original bond strength values. This study determined the most effective time duration for the application of sodium ascorbate prepared in gel form. The labial surfaces of 70 bovine incisors were polished with 600-grit silicon carbide paper on a water-irrigated metallurgical polishing wheel. The specimens were randomly divided into seven groups: 1) bleaching (10% Rembrandt Xtra-Comfort +) immersed in artificial saliva for seven days, 2) bonded immediately after bleaching, 3) bleaching + 10% sodium ascorbate (SA) gel for 10 minutes, 4) bleaching + 10% SA gel for 60 minutes, 5) bleaching + 10% SA gel for 120 minutes, 6) bleaching + 10% SA gel for 240 minutes and 7) bleaching + 10% SA gel for 480 minutes. After preparation, a standardshaped resin composite was applied to all specimens. The teeth were stored in distilled water at 37˚C for 24 hours and a universal testing machine determined their shear bond strength. The data were evaluated using ANOVA and Tukey tests. Antioxidant gel proved to be effective for increasing the shear bond strength of the resin composite to enamel. For maximum effectiveness, antioxidant gel should be applied to enamel for

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Section: Introductionmentioning

confidence: 99%

Reversal of Compromised Bonding in Bleached Enamel Using Antioxidant Gel

Kaya¹,

Türkün²,

Arici³

2008

Operative Dentistry

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“…Similar observations have also been reported by Titley and others in 2004. [17][18][19][20] On evaluating the groups that were surface treated before bonding (Groups III, IV, V ) , it is evident that all the experimental groups have performed significantly better than the control groups(Group I, II). This clearly indicates that surface treatment with these agents have resulted in improved shear bond strength of composite to bleached enamel surface.…”

Section: Discussion:-mentioning

confidence: 99%

Effect of Application of Naturally Occurring Anti-Oxidant Agents on Bonding of Composite Resin to Bleached Enamel- An in-Vitro Study.

HK¹,

Nadig²,

Rashmi³

et al. 2017

IJAR

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Background:With the minimal invasive concepts gaining popularity, vital tooth bleaching is well accepted treatment with predictable outcome. One of the disadvantages of tooth bleaching is decreased bond strength of composite resin to enamel. Antioxidants are used to get back the decreased bond strength. Aim of the study: was to investigate, the effect of immediate application of three anti-oxidant agents on reversal of decreased bond strength of composite resin to bleached enamel & to evaluate and compare the resin enamel interface with and without the use of antioxidants using SEM. Materials and Methods: Labial enamel surfaces of 50 extracted human maxillary central incisors were randomly divided into five groups based on the antioxidant used, Group I (n=10): negative control, Group II (n=10): positive control, Group III (n=10): bleaching followed by 10% sodium ascorbate solution application , Group IV (n=10): bleaching followed by 5% pomegranate seed extract application , Group V (n=10): bleaching followed by 5% tomato seed extract application. Each specimen was tested for shear bond strength. Two specimens from each group were selected for scanning electron microscopic (SEM) observation to assess resin enamel interface. Results: Significantly higher shear bond strength values were observed in Group IV, Group V as compared with the control groups, Group I and II. SEM analysis also proved the above results.

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“…The penetration of hydrogen peroxide through dentin depends on the original concentration of the bleaching agent and the length of time during which the agent is in contact with the dentin [31,32]. The presence of residual oxygen on the surface or subsurface of the tooth structure may inhibit or limit the polymerization of composite resins and resin cements [19,33,34], and bond strength may be reduced when bonding is performed immediately after bleaching [35,36]. In our study, bonding was performed 7 days after internal bleaching, according to the manufacturer's instructions.…”

Section: Discussionmentioning

confidence: 99%

Effect of internal bleaching agents on the bond strength of glass fiber posts to root dentine

Ferreira

Renovato

Santana

et al. 2016

Rev. Odonto Ciênc. (Online)

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Objective: This study evaluated the effect of internal bleaching agents on the bond strength of glass fiber posts to root dentine. Methods: Seventy bovine teeth were divided into 7 experimental groups (n=10) according to the bleaching agent used: SpH -sodium perborate + 20% hydrogen peroxide; SpW -sodium perborate + distilled water; Cp37 -37% carbamide peroxide; Cp16 -16% carbamide peroxide; Cp10 -10% carbamide peroxide; H -35% hydrogen peroxide; C -no bleaching agent (control). After bleaching, posts were cemented with a self-adhesive resin cement (RelyX U100) and the roots were crosssectioned to obtain two discs from each third. The posts underwent micropush-out testing, and bond strength values (MPa) were analyzed using ANOVA in a split-plot arrangement and the Tukey test (p<0.05). Failure mode was evaluated under confocal microscopy. Results: There were no significant differences between the control and bleaching agent groups. Bond strength was greater in the cervical third of the 16% carbamide peroxide (Cp16) group than in the sodium perborate + 20% hydrogen peroxide (SpH) group. The cervical third had a higher bond strength than the apical third in the 10% carbamide peroxide (Cp10), 16% carbamide peroxide (Cp16) and sodium perborate + distilled water (SpW) groups, and no significant differences in the other groups. Adhesive cement-dentine failure was prevalent in all groups. Conclusion: The use of internal bleaching agents did not decrease the bond strength of glass fiber posts to root dentin.

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The Effect of Carbamide-Peroxide Gel on the Shear Bond Strength of a Microfil Resin to Bovine Enamel

Cited by 143 publications

References 7 publications

Reversal of Compromised Bonding in Bleached Enamel Using Antioxidant Gel

Reversal of Compromised Bonding in Bleached Enamel Using Antioxidant Gel

Effect of Application of Naturally Occurring Anti-Oxidant Agents on Bonding of Composite Resin to Bleached Enamel- An in-Vitro Study.

Effect of internal bleaching agents on the bond strength of glass fiber posts to root dentine

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